1+
2+ #include < Arduino.h>
3+ #include < unity.h>
4+ #include < deque>
5+ #include < Fonts/OpenSansCyrillicLatin18.h>
6+ #include < Fonts/RobotoMedium24.h>
7+ #include < tcUnicodeHelper.h>
8+ #include < IoLogging.h>
9+
10+ class UnitTestPlotter : public TextPlotPipeline {
11+ private:
12+ std::deque<Coord> pixelsDrawn;
13+ static const size_t max_size = 32 ;
14+ uint32_t col = 0 ;
15+ Coord where = {0 ,0 };
16+ public:
17+ UnitTestPlotter () = default ;
18+ ~UnitTestPlotter () = default ;
19+
20+ void drawPixel (uint16_t x, uint16_t y, uint32_t color) override {
21+ if (pixelsDrawn.size () == max_size) {
22+ pixelsDrawn.pop_front ();
23+ }
24+ pixelsDrawn.push_back (Coord (x, y));
25+ }
26+
27+ void setCursor (const Coord &p) override {
28+ where = p;
29+ }
30+
31+ Coord getCursor () override {
32+ return where;
33+ }
34+
35+ Coord getDimensions () override {
36+ return Coord (320 , 200 );
37+ }
38+
39+ void init () {
40+ pixelsDrawn.clear ();
41+ where = {0 ,0 };
42+ }
43+ } unitTestPlotter;
44+
45+ UnicodeFontHandler* handler = nullptr ;
46+
47+ void setUp () {
48+ unitTestPlotter.init ();
49+ handler = new UnicodeFontHandler (&unitTestPlotter, ENCMODE_UTF8);
50+ handler->setFont (OpenSansCyrillicLatin18);
51+ handler->setDrawColor (20 );
52+ }
53+
54+ void tearDown () {
55+ delete handler;
56+ }
57+
58+ bool checkGlyph (uint32_t code, uint32_t bmpOffset, int width, int height, int xAdvance, int xOffset, int yOffset) {
59+ GlyphWithBitmap glyphWithBitmap;
60+ if (handler->findCharInFont (code, glyphWithBitmap)) {
61+ const UnicodeFontGlyph *glyph = glyphWithBitmap.getGlyph ();
62+ bool success = true ;
63+ if (bmpOffset != glyph->relativeBmpOffset ) {
64+ serlogF4 (SER_DEBUG, " Bmp offset out " relativeBmpOffset );
65+ success = false ;
66+ }
67+ if (width != glyph->width || height != glyph->height ) {
68+ serlogF4 (SER_DEBUG, " Bmp width out " width );
69+ serlogF3 (SER_DEBUG, " Bmp height " height );
70+ success = false ;
71+ }
72+ if (xOffset != glyph->xOffset || yOffset != glyph->yOffset ) {
73+ serlogF4 (SER_DEBUG, " Bmp xoffs out " xOffset );
74+ serlogF3 (SER_DEBUG, " Bmp yoffs " yOffset );
75+ success = false ;
76+ }
77+ if (xAdvance != glyph->xAdvance ) {
78+ serlogF4 (SER_DEBUG, " Bmp xadv out " xAdvance );
79+ success = false ;
80+ }
81+
82+ return success;
83+ } else {
84+ serlogF2 (SER_DEBUG, " Glyph not found "
85+ return false ;
86+ }
87+ }
88+
89+ void test_TextExtents () {
90+ int bl;
91+ handler->setFont (OpenSansCyrillicLatin18);
92+ Coord coord = handler->textExtents (" Abc" false );
93+ TEST_ASSERT_EQUAL_INT16 (31 , coord.x );
94+ TEST_ASSERT_EQUAL_INT16 (24 , coord.y );
95+
96+ handler->setFont (RobotoMedium24pt);
97+ coord = handler->textExtents (" Abc" false );
98+ TEST_ASSERT_EQUAL_INT16 (43 , coord.x );
99+ TEST_ASSERT_EQUAL_INT16 (28 , coord.y );
100+ }
101+
102+ void test_GetGlyphOnEachRange () {
103+ TEST_ASSERT_TRUE (checkGlyph (65 , 320 , 11 , 13 , 11 , 0 , -18 ));
104+ TEST_ASSERT_TRUE (checkGlyph (55 + 128 , 198 , 2 , 2 , 5 , 1 , -12 ));
105+ TEST_ASSERT_TRUE (checkGlyph (17 + 1024 , 285 , 8 , 13 , 11 , 2 , -18 ));
106+ }
107+
108+ void test_ReadingEveryGlyphInRange () {
109+ GlyphWithBitmap glyphWithBitmap;
110+
111+ // test all known characters work
112+ for (int i = 32 ; i < 127 ; i++) {
113+ serlogF2 (SER_DEBUG, " Test character = "
114+ TEST_ASSERT_TRUE (handler->findCharInFont (i, glyphWithBitmap));
115+ TEST_ASSERT_NOT_NULL (glyphWithBitmap.getGlyph ());
116+ TEST_ASSERT_NOT_NULL (glyphWithBitmap.getBitmapData ());
117+ }
118+
119+ // test a few that should fail
120+ TEST_ASSERT_FALSE (handler->findCharInFont (0 , glyphWithBitmap));
121+ TEST_ASSERT_FALSE (handler->findCharInFont (5 , glyphWithBitmap));
122+ TEST_ASSERT_FALSE (handler->findCharInFont (10 , glyphWithBitmap));
123+ TEST_ASSERT_FALSE (handler->findCharInFont (0xFFFF , glyphWithBitmap));
124+ }
125+
126+ void test_AdafruitFont () {
127+ GlyphWithBitmap glyphWithBitmap;
128+ handler->setFont (RobotoMedium24pt);
129+
130+ // test a few that should fail
131+ TEST_ASSERT_TRUE (checkGlyph (32 , 0 , 0 , 0 , 6 , 0 , -28 ));
132+ TEST_ASSERT_TRUE (checkGlyph (48 , 243 , 12 , 17 , 14 , 1 , -23 ));
133+ TEST_ASSERT_TRUE (checkGlyph (65 , 611 , 16 , 17 , 16 , 0 , -23 ));
134+ TEST_ASSERT_TRUE (checkGlyph (126 , 1990 , 14 , 5 , 16 , 1 , -16 ));
135+ TEST_ASSERT_FALSE (handler->findCharInFont (5 , glyphWithBitmap));
136+ TEST_ASSERT_FALSE (handler->findCharInFont (127 , glyphWithBitmap));
137+ TEST_ASSERT_FALSE (handler->findCharInFont (31 , glyphWithBitmap));
138+ }
139+
140+ void setup () {
141+ UNITY_BEGIN ();
142+ RUN_TEST (test_TextExtents);
143+ RUN_TEST (test_GetGlyphOnEachRange);
144+ RUN_TEST (test_ReadingEveryGlyphInRange);
145+ RUN_TEST (test_AdafruitFont);
146+ UNITY_END ();
147+ }
148+
149+ void loop () {}
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